Pith Number

pith:IVDJ2Y6S

pith:2019:IVDJ2Y6SOCPZ7QDE5GAVU6AZA3

not attested not anchored not stored refs pending

Improving Relation Extraction by Pre-trained Language Representations

Christoph Alt, Leonhard Hennig, Marc H\"ubner

arxiv:1906.03088 v1 · 2019-06-07 · cs.CL

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{IVDJ2Y6SOCPZ7QDE5GAVU6AZA3}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-05-17T23:43:55.048896Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

45469d63d2709f9fc064e9815a781906fd6b6bf5be8b590b9ad355c3afca424e

Aliases

arxiv: 1906.03088 · arxiv_version: 1906.03088v1 · doi: 10.48550/arxiv.1906.03088 · pith_short_12: IVDJ2Y6SOCPZ · pith_short_16: IVDJ2Y6SOCPZ7QDE · pith_short_8: IVDJ2Y6S

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/IVDJ2Y6SOCPZ7QDE5GAVU6AZA3 \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: 45469d63d2709f9fc064e9815a781906fd6b6bf5be8b590b9ad355c3afca424e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "915652043dab7a8c2e9eb1ae9c005cdf45416a6d7f60596bb2da596a6c0765be",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2019-06-07T13:31:09Z",
    "title_canon_sha256": "86e948f8d59123ff787f2dbdc17adedaff48665d67dde7896264cb50e5a5f984"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1906.03088",
    "kind": "arxiv",
    "version": 1
  }
}